How many of the compounds that appear in the chemical literature are mentioned just once?

Tom recently emailed me this question: Do you know how to find out how many of the compounds that appear in the chemical literature are mentioned just once? Intrigued, I first set out to find out how many substances, as Chemical Abstracts refers to the them, there were as of 5 June, 2025.

Authors

Publication Details

Journal
Front Matter
Published
2025-06-06
DOI
https://doi.org/10.59350/qp8et-7nx37
Primary Topic
History and advancements in chemistry
Type
article
Field-Weighted Citation Impact
0.00
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article

How many of the compounds that appear in the chemical literature are mentioned just once?

Henry S. Rzepa
Front Matter
History and advancements in chemistry
article

How many of the compounds that appear in the chemical literature are mentioned just once?

Henry S. Rzepa
article en

Abstract

Tom recently emailed me this question: Do you know how to find out how many of the compounds that appear in the chemical literature are mentioned just once? Intrigued, I first set out to find out how many substances, as Chemical Abstracts refers to the them, there were as of 5 June, 2025.

Front Matter
Openalex Percentile: Top 74%
History and advancements in chemistry
DOIOpen Access PDFOpenAlex
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How many of the compounds that appear in the chemical literature are mentioned just once? — Henry S. Rzepa · Front Matter (2025) | TGRS Research Map | TGRS